British postal officer and diplomat.

Brought into the Foreign Office of the Post Office by his uncle Anthony Todd, secretary of the Post Office (1765). Secretary to the British embassy at the Hague (1773-80). Under- secretary-of-state to Lord Grantham (1782-83). Secretary to the British embassy in Paris (1783); charged with negotiating the establishment of postal service with the independent United States.

Son of John and Elizabeth (Todd) Maddison of Allensford.